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GemTech Integra 300 Blackout Upper

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The Hearing Safe Review

The Review?

I have not made my final decision on if I like the .300 blackout or not… This is one caliber that I think I need to shoot another 500,000 rounds through before I can decide. I guess I am just going to need to review more .300blkout guns.

Gorilla Troop 147gr 300BLK $12.09 while supplies last.

In all seriousness, this upper is pretty cool and now that Lancer has released a .300 blackout AR mag we can get high-reliability feeding from subsonic rounds. I can see having this upper as my go-to.300BLK upper as I really do not need a .300BLK upper that isn’t suppressed.

Specs

The Integra 300 Blackout has several distinctive characteristics that assist in its construction. The Integra 300 BLK’s 10-inch, 1:8 twist, barrel is the basis for the rifle. In addition, the G-CORE baffle shroud is permanently attached to the barrel, making the total length 16.1 inches. That makes the Integra 300 BLK a one-stamp rifle.

Caliber.30
Sound Tested128dB 300 Blackout Subsonic
Diameter1.5″
Overall Length10.0″ – Barrel with Integrated Suppressor / 16.1″ Overall Barrel length
Weight4.5 lbs.
Mount TypeFits on MIL-SPEC AR-15 Pattern MSR Lower
Tube MaterialTitanium Alloy
Full Auto RatedYes
Tube FinishMatte Black High-Temperature Cerakote®

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